// Copyright 2023 Greptime Team
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use std::sync::Arc;

use datafusion::physical_plan::ExecutionPlan;
use session::context::QueryContextRef;

/// wrap physical plan with additional layer
/// e.g: metrics retrieving layer upon physical plan
pub trait PhysicalPlanWrapper: Send + Sync + 'static {
    fn wrap(&self, origin: Arc<dyn ExecutionPlan>, ctx: QueryContextRef) -> Arc<dyn ExecutionPlan>;
}

pub type PhysicalPlanWrapperRef = Arc<dyn PhysicalPlanWrapper>;
